an hour's work 是什么意思

an hour's work 是什么意思 -It's an hour's work from here to the airport -Don't worry,I it's difficult for him to finish the work in half an hour.同义 lt's ______ to finish the work in an hour A.enough easily B. 1.It's impossible to finish so much work in an hour.(同义句转换） it's half an hour after half an hour.是什么意思 an hour`s drive中hour后为什么用`s, There's still half an hour left. 中的left是什么意思,是什么词性? It took me an hour to finish the work对an hour提问 it takes jim half an hour to go to work half an hour对这个提问 It took us an hour to finish the work就划线部分提问（an hour）